#include"stdio.h"
struct Student
{
	int num;
	char name[20];
	char sex;
	int age;
};
struct Student stu[3]={{10101,"li lin",'M',18},{10102,"wang ya",'M',19},{10104,"lu fei",'F',20}};

int main()
{
	struct Student *p;
	printf("No.    name                sex age\n");
	for(p=stu;p<stu+3;p++)
	printf("%5d  %-20s%2c %4d\n",p->num,p->name,p->sex,p->age);
	return 0;
 } 
